- All sections
- B - Performing operations; transporting
- B23Q - Details, components, or accessories for machine tools, e.g. arrangements for copying or controlling; machine tools in general, characterised by the construction of particular details or components; combinations or associations of metal-working machines, not directed to a particular result
- B23Q 3/15 - Devices for holding work using magnetic or electric force acting directly on the work
Patent holdings for IPC class B23Q 3/15
Total number of patents in this class: 262
10-year publication summary
23
|
14
|
12
|
11
|
28
|
36
|
17
|
18
|
15
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
61 |
Lam Research Corporation | 4775 |
17 |
Toto Ltd. | 1096 |
15 |
Sumitomo Osaka Cement Co., Ltd. | 783 |
14 |
Kyocera Corporation | 12735 |
8 |
Creative Technology Corporation | 82 |
7 |
Tokyo Electron Limited | 11599 |
6 |
Magswitch Technology Inc. | 45 |
6 |
Entegris, Inc. | 1736 |
5 |
MICO Ceramics Ltd. | 42 |
5 |
Amosense Co., Ltd. | 433 |
4 |
Magswitch Technology Worldwide Pty Ltd. | 7 |
4 |
Varian Semiconductor Equipment Associates, Inc. | 1282 |
3 |
LAM Research AG | 188 |
3 |
Hirata Corporation | 358 |
3 |
Altius Space Machines Inc. | 7 |
3 |
Samsung Electronics Co., Ltd. | 131630 |
2 |
The Boeing Company | 19843 |
2 |
Massachusetts Institute of Technology | 9795 |
2 |
NGK Insulators, Ltd. | 4589 |
2 |
Other owners | 90 |